diff --git a/ruff.toml b/ruff.toml
index 17e243bec0..5ebeee3197 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -12,36 +12,29 @@ ignore = [
     "C90",
     "COM812",
     "D10",
-    "DTZ005",
     "EM",
     "FA",
     "FIX",
     "FBT",
     "ISC001",
     "N817",
-    "PERF203",
     "PERF401",
     "PLR0912",
-    "PLR0913",
     "PLR0915",
     "PLR2004",
     "PLW2901",
     "PT",
     "PTH",
-    "RUF012",
     "S101",
     "S310",
     "S314",
-    "S324",
     "S320",
     "S603",
     "S607",
     "T20",
     "TD002",
     "TD003",
-    "TRY002",
     "TRY003",
-    "TRY004",
     "UP038",
     "W505"
 ]
@@ -54,3 +47,6 @@ max-doc-length = 72
 
 [lint.pydocstyle]
 convention = "pep257"
+
+[lint.pylint]
+max-args = 8
diff --git a/source/tools/fontbuilder2/font_loader.py b/source/tools/fontbuilder2/font_loader.py
index 2eb92b8bd9..3c78e421cb 100644
--- a/source/tools/fontbuilder2/font_loader.py
+++ b/source/tools/fontbuilder2/font_loader.py
@@ -1,7 +1,10 @@
 # Adapted from http://cairographics.org/freetypepython/
 
+# ruff: noqa: TRY002
+
 import ctypes
 import sys
+from typing import ClassVar
 
 import cairo
 
@@ -40,7 +43,7 @@ _surface = cairo.ImageSurface(cairo.FORMAT_A8, 0, 0)
 
 
 class PycairoContext(ctypes.Structure):
-    _fields_ = [
+    _fields_: ClassVar = [
         ("PyObject_HEAD", ctypes.c_byte * object.__basicsize__),
         ("ctx", ctypes.c_void_p),
         ("base", ctypes.c_void_p),
diff --git a/source/tools/i18n/i18n_helper/catalog.py b/source/tools/i18n/i18n_helper/catalog.py
index ce72d16fc9..46f676f73c 100644
--- a/source/tools/i18n/i18n_helper/catalog.py
+++ b/source/tools/i18n/i18n_helper/catalog.py
@@ -1,6 +1,6 @@
 """Wrapper around babel Catalog / .po handling."""
 
-from datetime import datetime
+from datetime import UTC, datetime
 
 from babel.messages.catalog import Catalog as BabelCatalog
 from babel.messages.pofile import read_po, write_po
@@ -10,7 +10,7 @@ class Catalog(BabelCatalog):
     """Wraps a BabelCatalog for convenience."""
 
     def __init__(self, *args, project=None, copyright_holder=None, **other_kwargs):
-        date = datetime.now()
+        date = datetime.now(tz=UTC)
         super().__init__(
             *args,
             header_comment=(
diff --git a/source/tools/spirv/compile.py b/source/tools/spirv/compile.py
index e5170a1ad7..a2b4e67743 100755
--- a/source/tools/spirv/compile.py
+++ b/source/tools/spirv/compile.py
@@ -46,7 +46,7 @@ def execute(command):
 def calculate_hash(path):
     assert os.path.isfile(path)
     with open(path, "rb") as handle:
-        return hashlib.sha1(handle.read()).hexdigest()
+        return hashlib.sha256(handle.read()).hexdigest()
 
 
 def resolve_if(defines, expression):
diff --git a/source/tools/xmlvalidator/validate_grammar.py b/source/tools/xmlvalidator/validate_grammar.py
index c7e10426d3..bc671badd7 100755
--- a/source/tools/xmlvalidator/validate_grammar.py
+++ b/source/tools/xmlvalidator/validate_grammar.py
@@ -201,7 +201,7 @@ class RelaxNGValidator:
             try:
                 doc = lxml.etree.parse(str(file[1]))
                 relaxng.assertValid(doc)
-            except Exception:
+            except (lxml.etree.DocumentInvalid, lxml.etree.XMLSyntaxError):
                 error_count = error_count + 1
                 self.logger.exception(file[1])